For those readers who may be unaware Trifecta Performance is a tuning shop based in Snohomish, Washington that specializes in upgrading the go in a variety of GM platforms. As GM Authority covered ...

There was a time when General Motors was shy about using a turbo four-cylinder engine in a full-size pickup truck. Times have changed, though: It’s now loud and proud of its little 2.7-liter “Turbomax ...

GM's 2.7L TurboMax engine is a great example of how automakers are favoring downsizing and turbocharging in favor of high cylinder counts and large capacities these days. The engine, which was ...

In production since 2018, the 2.7-liter turbo inline-four engine referred to as L3B has been hit with a customer satisfaction program. As it happens, a handful of engines may feature cracked blocks.